@misc{indiciaec1bfc98c3e91,
  title = {Topical antimetabolites.},
  author = {H S Zackheim and E M Farber},
  year = {1970},
  doi = {10.1146/annurev.me.21.020170.000423},
  url = {https://pubmed.ncbi.nlm.nih.gov/4912477/},
  note = {Source identifier: 4912477}
}